Friction roller for cable guides



May 2, 1933. w. v. CORNISH 1,907,345

FRICTION ROLLER FOR CABLE GUIDES Filed Feb. 9, 1931 INVENTOR WITNESS 2 Z M'llz'amlicornisb, W BY ATTORNEY Patented May 2, 1933 I i UNITED STATES PATENT, corneal Application filed February 9, 1931. Serial. No. 514,689; Q

My invention relates to friction rollers for process, in order to present a compact and cable guides, and consists in the construcunitary structure. I I tions, arrangements and combinations herein The diameter of the ring16 is suchthat it described and claimed. will be received upon the rim 12 by; a press An object of the invention is to provide rofit, and thus effectively unite the rim'to the 55 tary supports for cables or the like, which wheel. I v f I will efiiciently resist abrasion and also pre- 7 In the outer periphery of the facing 18, a vent abrasion of the cables moving thereover. circumscribing groove 20 is provided,which Another object of the invention is to prois of ample depth to receive a cable to be vide a plurality of rotatable supports which guided. i I v l p may be arranged in axial alignment for se- The wheel is freely revoluble upon the curement as a unit and which may be at m1n1 shaft and also has unrestricted axial movemum expense. ment to accommodate varying movements of A further object of the invention is the pro- 21. cable. I I e e vision of a roller which will normally sup- In the useof my device, the cable to be support and guide a moving cable, while yet perported is disposed in the groove 20 of the mitting considerable movement of the latter roller and due to the gripping quality of the in a direction axially with the roller. fac1ng18, the wheel. is caused to rotatehwith A still further object of the invention is to movement of the cable, thus "supporting the provide a new hub construction in which the cable throughout its movement. Also, it bushing thereof will be properly centered. should be noted that the wheel 10 will par- Additional objects, advantages and featake of any lateral movements which may octures of the invention will be apparent from our in movement of the cable. the following description considered in con- Occasion mayarise where itwould be neces- 5 junction with the accompanying drawing sary to employ a-number of guide pulleys for h i support of a number of parallelcables, and Figure 1 is a plan view of a roller con such condition may be readily accommodated structed inaccordance with my invention. by coupllng the desired number of pulleys, as,

Figure 2 is a cross sectional view of a pair illustrated in Figure 2. e v 30 of rollers coupled together to provide a single With reference to Figure 2 of the drawing, 8 roller unit. I'have illustrated a pair of pulleys 10 in The hub 11 has an annular recess 11a parallel abutting'relation, so as to align the formed upon one end, while the opposite end hubs 11. The hubs of the abutting pulleys of the hub has an annular rim 11b. bnshare arranged so that the rib 11b of one puling 14 is positioned within the hub 11 one-end ley will rest within the annular recess 11a thereof resting flush with the recess 11a and of the next adjacent pulley. Thus the hubs the other end of the bushing stops flush with 11 of each wheel will be brought into snug the rim 116. A wheel thus bushed may be abutting relation and insures proper center revolubly mounted upon the shaft 15. ing of the bushings, at all times, and espe- A metallic ring 16 is provided, the outer cially is this true when the pulleys 10 have 99 periphery of which is roughened as at 17 to any axial movement upon the shaft 15. receive and hold a rubber facing 18 when Bolts 21 are extended through apertures 22 vulcanized thereto. The facing 18 is in the formed in the web 13 of the wheel, retaining form of a ring of rubber having a fabric or nuts 23 upon the bolts 21 securing the wheels 7 fiber core 19 incorporated in the body theretogether. Thus, it will be apparent that sepaof, this core extending circumferentially of rate cables may be supported in each of the the facing, and limits the elasticity of the facgrooves 20 and that the two pulleys will rotate ing. The core may be incor orated in the as a. single unit. 7 facing in any manner well un erstood in the Any number of pulleys may be secured in 50 art, but preferably includes a vulcanization this manner, it only belng necessary to employ a longer bolt 21 to accommodate the increased width involved by the addition of pulleys.

From the foregoing, it will be apparent 5 that I have provided a rotary cable support embodying a flexible wear-resisting surface,

, and have also provided a cable support which may be employed singly or coupled in group 1 formation to accommodate a single or plu- Y I rali of cables, as the case may be.

W 'le I have shown and described a pre ferred construction, it will be understood that I do not so limit my invention, and desire it to be understood that modifications thereof may be made, as fairly-fall withinthe scope of the appended claim. 7 i What is claimed is':-- y g In a guide roller for cable members, axially alined'wheels,veach wheel having a. rim, a

rubberfacing member secured upon each rim, said facing memberhaving side walls flush with its respective rim, cable-receiving grooves formed in the periphery of said facmg members, a hub formed upon each wheel,

25 each hub having an annular recess upon one end and an annular rim upon the other end thereof, a bushing seated in each hub member, said bushing stopping flush with saidrim and recess, the rim 0 one wheel hub adapted to 7 seat in the annular recess of the next adjacent 7 wheel hub, and means for drawing and securing said wheels and facing members into close abuttin relationship with each other and said hu into interfitting relation.

V WILLIAM v, CORNISIL 

